TGUI/cmake/Config.cmake

79 lines
3.1 KiB
CMake

# detect the OS
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(TGUI_OS_WINDOWS 1)
# detect the architecture (note: this test won't work for cross-compilation)
include(CheckTypeSize)
check_type_size(void* SIZEOF_VOID_PTR)
if(${SIZEOF_VOID_PTR} STREQUAL "4")
set(ARCH_32BITS 1)
elseif(${SIZEOF_VOID_PTR} STREQUAL "8")
set(ARCH_64BITS 1)
else()
message(FATAL_ERROR "Unsupported architecture")
return()
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(TGUI_OS_UNIX 1)
if(ANDROID)
set(TGUI_OS_ANDROID 1)
else()
set(TGUI_OS_LINUX 1)
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "^k?FreeBSD$" OR CMAKE_SYSTEM_NAME MATCHES "^OpenBSD$")
set(TGUI_OS_BSD 1)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
if(IOS)
set(TGUI_OS_IOS 1)
else()
set(TGUI_OS_MACOSX 1)
# detect OS X version. (use '/usr/bin/sw_vers -productVersion' to extract V from '10.V.x'.)
EXEC_PROGRAM(/usr/bin/sw_vers ARGS -productVersion OUTPUT_VARIABLE MACOSX_VERSION_RAW)
STRING(REGEX REPLACE "10\\.([0-9]+).*" "\\1" MACOSX_VERSION "${MACOSX_VERSION_RAW}")
if(${MACOSX_VERSION} LESS 7)
message(FATAL_ERROR "Unsupported version of OS X: ${MACOSX_VERSION_RAW}")
return()
endif()
endif()
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Android")
set(TGUI_OS_ANDROID 1)
else()
message(FATAL_ERROR "Unsupported operating system or environment")
return()
endif()
# detect the compiler and its version
# Note: on some platforms (OS X), CMAKE_COMPILER_IS_GNUCXX is true
# even when CLANG is used, therefore the Clang test is done first
if(CMAKE_CXX_COMPILER MATCHES ".*clang[+][+]" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# CMAKE_CXX_COMPILER_ID is an internal CMake variable subject to change,
# but there is no other way to detect CLang at the moment
set(TGUI_COMPILER_CLANG 1)
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE CLANG_VERSION_OUTPUT)
string(REGEX REPLACE ".*clang version ([0-9]+\\.[0-9]+).*" "\\1" TGUI_CLANG_VERSION "${CLANG_VERSION_OUTPUT}")
elseif(CMAKE_COMPILER_IS_GNUCXX)
set(TGUI_COMPILER_GCC 1)
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpversion" OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
string(REGEX REPLACE "([0-9]+\\.[0-9]+).*" "\\1" TGUI_GCC_VERSION "${GCC_VERSION_OUTPUT}")
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "--version" OUTPUT_VARIABLE GCC_COMPILER_VERSION)
string(REGEX MATCHALL ".*(tdm[64]*-[1-9]).*" TGUI_COMPILER_GCC_TDM "${GCC_COMPILER_VERSION}")
execute_process(COMMAND "${CMAKE_CXX_COMPILER}" "-dumpmachine" OUTPUT_VARIABLE GCC_MACHINE)
string(STRIP "${GCC_MACHINE}" GCC_MACHINE)
if(GCC_MACHINE MATCHES ".*w64.*")
set(TGUI_COMPILER_GCC_W64 1)
endif()
elseif(MSVC)
set(TGUI_COMPILER_MSVC 1)
else()
message(FATAL_ERROR "Unsupported compiler")
return()
endif()
# Set pkgconfig install directory
if (TGUI_OS_BSD)
set(TGUI_PKGCONFIG_DIR "/libdata/pkgconfig")
else()
set(TGUI_PKGCONFIG_DIR "/lib${LIB_SUFFIX}/pkgconfig")
endif()